return -1;
}
+void
+PerlIO_destruct(pTHX)
+{
+}
+
int
PerlIO_binmode(pTHX_ PerlIO *fp, int iotype, int mode, const char *names)
{
{
if (narg == 1)
{
- char *name = SvPV_nolen(*args);
- if (*mode == '#')
- {
- fd = PerlLIO_open3(name,imode,perm);
- if (fd >= 0)
- return PerlIO_fdopen(fd,mode+1);
- }
- else if (old)
- {
- return PerlIO_reopen(name,mode,old);
- }
+ if (*args == &PL_sv_undef)
+ return PerlIO_tmpfile();
else
{
- return PerlIO_open(name,mode);
+ char *name = SvPV_nolen(*args);
+ if (*mode == '#')
+ {
+ fd = PerlLIO_open3(name,imode,perm);
+ if (fd >= 0)
+ return PerlIO_fdopen(fd,mode+1);
+ }
+ else if (old)
+ {
+ return PerlIO_reopen(name,mode,old);
+ }
+ else
+ {
+ return PerlIO_open(name,mode);
+ }
}
}
else
}
void
+PerlIO_destruct(pTHX)
+{
+ PerlIO **table = &_perlio;
+ PerlIO *f;
+ while ((f = *table))
+ {
+ int i;
+ table = (PerlIO **)(f++);
+ for (i=1; i < PERLIO_TABLE_SIZE; i++)
+ {
+ PerlIO *x = f;
+ PerlIOl *l;
+ while ((l = *x))
+ {
+ if (l->tab->kind & PERLIO_K_DESTRUCT)
+ {
+ PerlIO_debug("Destruct popping %s\n",l->tab->name);
+ PerlIO_flush(x);
+ PerlIO_pop(aTHX_ x);
+ }
+ else
+ {
+ x = PerlIONext(x);
+ }
+ }
+ f++;
+ }
+ }
+}
+
+void
PerlIO_pop(pTHX_ PerlIO *f)
{
PerlIOl *l = *f;
/*--------------------------------------------------------------------------------------*/
/* XS Interface for perl code */
-XS(XS_perlio_import)
-{
- dXSARGS;
- GV *gv = CvGV(cv);
- char *s = GvNAME(gv);
- STRLEN l = GvNAMELEN(gv);
- PerlIO_debug("%.*s\n",(int) l,s);
- XSRETURN_EMPTY;
-}
-
-XS(XS_perlio_unimport)
-{
- dXSARGS;
- GV *gv = CvGV(cv);
- char *s = GvNAME(gv);
- STRLEN l = GvNAMELEN(gv);
- PerlIO_debug("%.*s\n",(int) l,s);
- XSRETURN_EMPTY;
-}
-
SV *
-PerlIO_find_layer(pTHX_ const char *name, STRLEN len)
+PerlIO_find_layer(pTHX_ const char *name, STRLEN len, int load)
{
SV **svp;
SV *sv;
if ((SSize_t) len <= 0)
len = strlen(name);
svp = hv_fetch(PerlIO_layer_hv,name,len,0);
- if (!svp && PL_subname && PerlIO_layer_av && av_len(PerlIO_layer_av)+1 >= 2)
+ if (!svp && load && PL_subname && PerlIO_layer_av && av_len(PerlIO_layer_av)+1 >= 2)
{
SV *pkgsv = newSVpvn("PerlIO",6);
SV *layer = newSVpvn(name,len);
if (SvROK(sv))
return *svp;
}
- return NULL;
+ return Nullsv;
}
{
STRLEN len;
const char *name = SvPV(ST(i),len);
- SV *layer = PerlIO_find_layer(aTHX_ name,len);
+ SV *layer = PerlIO_find_layer(aTHX_ name,len,1);
if (layer)
{
av_push(av,SvREFCNT_inc(layer));
SV *
PerlIO_tab_sv(pTHX_ PerlIO_funcs *tab)
{
- HV *stash = gv_stashpv("perlio::Layer", TRUE);
+ HV *stash = gv_stashpv("PerlIO::Layer", TRUE);
SV *sv = sv_bless(newRV_noinc(newSViv(PTR2IV(tab))),stash);
return sv;
}
}
if (e > s)
{
- SV *layer = PerlIO_find_layer(aTHX_ s,llen);
+ SV *layer = PerlIO_find_layer(aTHX_ s,llen,1);
if (layer)
{
av_push(av,SvREFCNT_inc(layer));
}
}
PerlIO_debug("Pushing %s\n",tab->name);
- av_push(av,SvREFCNT_inc(PerlIO_find_layer(aTHX_ tab->name,0)));
+ av_push(av,SvREFCNT_inc(PerlIO_find_layer(aTHX_ tab->name,0,0)));
av_push(av,&PL_sv_undef);
}
return (svp) ? *svp : Nullsv;
}
-#define MYARG PerlIO_arg_fetch(aTHX_ layers,n+1)
-
-
PerlIO_funcs *
PerlIO_layer_fetch(pTHX_ AV *av,IV n,PerlIO_funcs *def)
{
return INT2PTR(PerlIO_funcs *, SvIV(layer));
}
if (!def)
- Perl_croak(aTHX_ "panic:layer array corrupt");
+ Perl_croak(aTHX_ "panic:PerlIO layer array corrupt");
return def;
}
{
const char *s = (PL_tainting) ? Nullch : PerlEnv_getenv("PERLIO");
PerlIO_layer_av = get_av("open::layers",GV_ADD|GV_ADDMULTI);
- newXS("perlio::import",XS_perlio_import,__FILE__);
- newXS("perlio::unimport",XS_perlio_unimport,__FILE__);
#if 0
newXS("io::MODIFY_SCALAR_ATTRIBUTES",XS_io_MODIFY_SCALAR_ATTRIBUTES,__FILE__);
#endif
#endif
PerlIO_define_layer(aTHX_ &PerlIO_utf8);
PerlIO_define_layer(aTHX_ &PerlIO_byte);
- av_push(PerlIO_layer_av,SvREFCNT_inc(PerlIO_find_layer(aTHX_ PerlIO_unix.name,0)));
+ av_push(PerlIO_layer_av,SvREFCNT_inc(PerlIO_find_layer(aTHX_ PerlIO_unix.name,0,0)));
av_push(PerlIO_layer_av,&PL_sv_undef);
if (s)
{
l->next = *f;
l->tab = tab;
*f = l;
- PerlIO_debug("PerlIO_push f=%p %s %s '%s'\n",f,tab->name,
- (mode) ? mode : "(Null)",(arg) ? SvPV_nolen(arg) : "(Null)");
+ PerlIO_debug("PerlIO_push f=%p %s %s %p\n",f,tab->name,
+ (mode) ? mode : "(Null)",arg);
if ((*l->tab->Pushed)(f,mode,arg) != 0)
{
PerlIO_pop(aTHX_ f);
PerlIO_funcs *tab = PerlIO_layer_fetch(aTHX_ layers,n,NULL);
if (tab)
{
- if (!PerlIO_push(aTHX_ f,tab,mode,MYARG))
+ if (!PerlIO_push(aTHX_ f,tab,mode,PerlIOArg))
{
- code -1;
+ code = -1;
break;
}
}
PerlIO_close(PerlIO *f)
{
dTHX;
- int code = (*PerlIOBase(f)->tab->Close)(f);
- while (*f)
+ int code = -1;
+ if (f && *f)
{
- PerlIO_pop(aTHX_ f);
+ code = (*PerlIOBase(f)->tab->Close)(f);
+ while (*f)
+ {
+ PerlIO_pop(aTHX_ f);
+ }
}
return code;
}
return type;
}
+static SV *
+PerlIO_layer_from_ref(pTHX_ SV *sv)
+{
+ /* For any scalar type load the handler which is bundled with perl */
+ if (SvTYPE(sv) < SVt_PVAV)
+ return PerlIO_find_layer(aTHX_ "Scalar",6, 1);
+
+ /* For other types allow if layer is known but don't try and load it */
+ switch (SvTYPE(sv))
+ {
+ case SVt_PVAV:
+ return PerlIO_find_layer(aTHX_ "Array",5, 0);
+ case SVt_PVHV:
+ return PerlIO_find_layer(aTHX_ "Hash",4, 0);
+ case SVt_PVCV:
+ return PerlIO_find_layer(aTHX_ "Code",4, 0);
+ case SVt_PVGV:
+ return PerlIO_find_layer(aTHX_ "Glob",4, 0);
+ }
+ return Nullsv;
+}
+
AV *
PerlIO_resolve_layers(pTHX_ const char *layers,const char *mode,int narg, SV **args)
{
AV *def = PerlIO_default_layers(aTHX);
+ int incdef = 1;
if (!_perlio)
PerlIO_stdstreams(aTHX);
- /* FIXME !!! */
+ if (narg)
+ {
+ SV *arg = *args;
+ /* If it is a reference but not an object see if we have a handler for it */
+ if (SvROK(arg) && !sv_isobject(arg))
+ {
+ SV *handler = PerlIO_layer_from_ref(aTHX_ SvRV(arg));
+ if (handler)
+ {
+ def = newAV();
+ av_push(def,SvREFCNT_inc(handler));
+ av_push(def,&PL_sv_undef);
+ incdef = 0;
+ }
+ /* Don't fail if handler cannot be found
+ * :Via(...) etc. may do something sensible
+ * else we will just stringfy and open resulting string.
+ */
+ }
+ }
if (!layers)
layers = PerlIO_context_layers(aTHX_ mode);
if (layers && *layers)
{
- AV *av = newAV();
- IV n = av_len(def)+1;
- while (n-- > 0)
+ AV *av;
+ if (incdef)
{
- SV **svp = av_fetch(def,n,0);
- av_store(av,n,(svp) ? SvREFCNT_inc(*svp) : &PL_sv_undef);
+ IV n = av_len(def)+1;
+ av = newAV();
+ while (n-- > 0)
+ {
+ SV **svp = av_fetch(def,n,0);
+ av_store(av,n,(svp) ? SvREFCNT_inc(*svp) : &PL_sv_undef);
+ }
+ }
+ else
+ {
+ av = def;
}
PerlIO_parse_layers(aTHX_ av,layers);
return av;
}
else
{
- SvREFCNT_inc(def);
+ if (incdef)
+ SvREFCNT_inc(def);
return def;
}
}
PerlIO *
PerlIO_openn(pTHX_ const char *layers, const char *mode, int fd, int imode, int perm, PerlIO *f, int narg, SV **args)
{
- AV *layera;
- IV n;
- PerlIO_funcs *tab;
- if (f && *f)
+ if (!f && narg == 1 && *args == &PL_sv_undef)
{
- PerlIOl *l = *f;
- layera = newAV();
- while (l)
+ if ((f = PerlIO_tmpfile()))
{
- SV *arg = (l->tab->Getarg) ? (*l->tab->Getarg)(&l) : &PL_sv_undef;
- av_unshift(layera,2);
- av_store(layera,0,PerlIO_tab_sv(aTHX_ l->tab));
- av_store(layera,1,arg);
- l = *PerlIONext(&l);
+ if (!layers)
+ layers = PerlIO_context_layers(aTHX_ mode);
+ if (layers && *layers)
+ PerlIO_apply_layers(aTHX_ f,mode,layers);
}
}
else
{
- layera = PerlIO_resolve_layers(aTHX_ layers, mode, narg, args);
- }
- n = av_len(layera)-1;
- while (n >= 0)
- {
- PerlIO_funcs *t = PerlIO_layer_fetch(aTHX_ layera,n,NULL);
- if (t && t->Open)
+ AV *layera;
+ IV n;
+ PerlIO_funcs *tab;
+ if (f && *f)
{
- tab = t;
- break;
+ /* This is "reopen" - it is not tested as perl does not use it yet */
+ PerlIOl *l = *f;
+ layera = newAV();
+ while (l)
+ {
+ SV *arg = (l->tab->Getarg) ? (*l->tab->Getarg)(&l) : &PL_sv_undef;
+ av_unshift(layera,2);
+ av_store(layera,0,PerlIO_tab_sv(aTHX_ l->tab));
+ av_store(layera,1,arg);
+ l = *PerlIONext(&l);
+ }
}
- n -= 2;
- }
- if (tab)
- {
- PerlIO_debug("openn(%s,'%s','%s',%d,%x,%o,%p,%d,%p)\n",
- tab->name,layers,mode,fd,imode,perm,f,narg,args);
- f = (*tab->Open)(aTHX_ tab, layera, n, mode,fd,imode,perm,f,narg,args);
- if (f)
+ else
+ {
+ layera = PerlIO_resolve_layers(aTHX_ layers, mode, narg, args);
+ }
+ n = av_len(layera)-1;
+ while (n >= 0)
{
- if (n+2 < av_len(layera)+1)
+ PerlIO_funcs *t = PerlIO_layer_fetch(aTHX_ layera,n,NULL);
+ if (t && t->Open)
{
- if (PerlIO_apply_layera(aTHX_ f, mode, layera, n+2) != 0)
+ tab = t;
+ break;
+ }
+ n -= 2;
+ }
+ if (tab)
+ {
+ PerlIO_debug("openn(%s,'%s','%s',%d,%x,%o,%p,%d,%p)\n",
+ tab->name,layers,mode,fd,imode,perm,f,narg,args);
+ f = (*tab->Open)(aTHX_ tab, layera, n, mode,fd,imode,perm,f,narg,args);
+ if (f)
+ {
+ if (n+2 < av_len(layera)+1)
{
- f = NULL;
+ if (PerlIO_apply_layera(aTHX_ f, mode, layera, n+2) != 0)
+ {
+ f = NULL;
+ }
}
}
}
+ SvREFCNT_dec(layera);
}
- SvREFCNT_dec(layera);
return f;
}
}
}
+void
+PerlIOBase_flush_linebuf()
+{
+ PerlIO **table = &_perlio;
+ PerlIO *f;
+ while ((f = *table))
+ {
+ int i;
+ table = (PerlIO **)(f++);
+ for (i=1; i < PERLIO_TABLE_SIZE; i++)
+ {
+ if (*f && (PerlIOBase(f)->flags & (PERLIO_F_LINEBUF|PERLIO_F_CANWRITE))
+ == (PERLIO_F_LINEBUF|PERLIO_F_CANWRITE))
+ PerlIO_flush(f);
+ f++;
+ }
+ }
+}
+
#undef PerlIO_fill
int
PerlIO_fill(PerlIO *f)
return done;
}
+SSize_t
+PerlIOBase_read(PerlIO *f, void *vbuf, Size_t count)
+{
+ STDCHAR *buf = (STDCHAR *) vbuf;
+ if (f)
+ {
+ if (!(PerlIOBase(f)->flags & PERLIO_F_CANREAD))
+ return 0;
+ while (count > 0)
+ {
+ SSize_t avail = PerlIO_get_cnt(f);
+ SSize_t take = (count < avail) ? count : avail;
+ if (take > 0)
+ {
+ STDCHAR *ptr = PerlIO_get_ptr(f);
+ Copy(ptr,buf,take,STDCHAR);
+ PerlIO_set_ptrcnt(f,ptr+take,(avail -= take));
+ count -= take;
+ buf += take;
+ }
+ if (count > 0 && avail <= 0)
+ {
+ if (PerlIO_fill(f) != 0)
+ break;
+ }
+ }
+ return (buf - (STDCHAR *) vbuf);
+ }
+ return 0;
+}
+
IV
PerlIOBase_noop_ok(PerlIO *f)
{
PerlIO *n = PerlIONext(f);
if (PerlIO_flush(f) != 0)
code = -1;
- if (n && (*PerlIOBase(n)->tab->Close)(n) != 0)
+ if (n && *n && (*PerlIOBase(n)->tab->Close)(n) != 0)
code = -1;
PerlIOBase(f)->flags &= ~(PERLIO_F_CANREAD|PERLIO_F_CANWRITE|PERLIO_F_OPEN);
return code;
void
PerlIOBase_setlinebuf(PerlIO *f)
{
-
+ if (f)
+ {
+ PerlIOBase(f)->flags |= PERLIO_F_LINEBUF;
+ }
}
/*--------------------------------------------------------------------------------------*/
if (!f)
{
f = PerlIO_allocate(aTHX);
- s = PerlIOSelf(PerlIO_push(aTHX_ f,self,mode,MYARG),PerlIOUnix);
+ s = PerlIOSelf(PerlIO_push(aTHX_ f,self,mode,PerlIOArg),PerlIOUnix);
}
else
s = PerlIOSelf(f,PerlIOUnix);
if (stdio)
{
PerlIOStdio *s = PerlIOSelf(PerlIO_push(aTHX_ (f = PerlIO_allocate(aTHX)), self,
- (mode = PerlIOStdio_mode(mode,tmode)),MYARG),
+ (mode = PerlIOStdio_mode(mode,tmode)),PerlIOArg),
PerlIOStdio);
s->stdio = stdio;
}
}
if (stdio)
{
- PerlIOStdio *s = PerlIOSelf(PerlIO_push(aTHX_ (f = PerlIO_allocate(aTHX)),self,mode,MYARG),PerlIOStdio);
+ PerlIOStdio *s = PerlIOSelf(PerlIO_push(aTHX_ (f = PerlIO_allocate(aTHX)),self,mode,PerlIOArg),PerlIOStdio);
s->stdio = stdio;
return f;
}
PerlIOBuf *b = PerlIOSelf(f,PerlIOBuf);
int fd = PerlIO_fileno(f);
Off_t posn;
+ dTHX;
if (fd >= 0 && PerlLIO_isatty(fd))
{
- PerlIOBase(f)->flags |= PERLIO_F_LINEBUF;
+ PerlIOBase(f)->flags |= PERLIO_F_LINEBUF|PERLIO_F_TTY;
}
posn = PerlIO_tell(PerlIONext(f));
if (posn != (Off_t) -1)
PerlIO *next = PerlIONext(f);
PerlIO_funcs *tab = PerlIO_layer_fetch(aTHX_ layers, n-2, PerlIOBase(next)->tab);
next = (*tab->Open)(aTHX_ tab, layers, n-2, mode,fd,imode,perm,next,narg,args);
- if (!next || (*PerlIOBase(f)->tab->Pushed)(f,mode,MYARG) != 0)
+ if (!next || (*PerlIOBase(f)->tab->Pushed)(f,mode,PerlIOArg) != 0)
{
return NULL;
}
f = (*tab->Open)(aTHX_ tab, layers, n-2, mode,fd,imode,perm,NULL,narg,args);
if (f)
{
- PerlIOBuf *b = PerlIOSelf(PerlIO_push(aTHX_ f,self,mode,MYARG),PerlIOBuf);
+ PerlIOBuf *b = PerlIOSelf(PerlIO_push(aTHX_ f,self,mode,PerlIOArg),PerlIOBuf);
fd = PerlIO_fileno(f);
#if O_BINARY != O_TEXT
/* do something about failing setmode()? --jhi */
*/
if (PerlIO_flush(f) != 0)
return -1;
+ if (PerlIOBase(f)->flags & PERLIO_F_TTY)
+ PerlIOBase_flush_linebuf();
if (!b->buf)
PerlIO_get_base(f); /* allocate via vtable */
PerlIOBuf_read(PerlIO *f, void *vbuf, Size_t count)
{
PerlIOBuf *b = PerlIOSelf(f,PerlIOBuf);
- STDCHAR *buf = (STDCHAR *) vbuf;
if (f)
{
if (!b->ptr)
PerlIO_get_base(f);
- if (!(PerlIOBase(f)->flags & PERLIO_F_CANREAD))
- return 0;
- while (count > 0)
- {
- SSize_t avail = PerlIO_get_cnt(f);
- SSize_t take = (count < avail) ? count : avail;
- if (take > 0)
- {
- STDCHAR *ptr = PerlIO_get_ptr(f);
- Copy(ptr,buf,take,STDCHAR);
- PerlIO_set_ptrcnt(f,ptr+take,(avail -= take));
- count -= take;
- buf += take;
- }
- if (count > 0 && avail <= 0)
- {
- if (PerlIO_fill(f) != 0)
- break;
- }
- }
- return (buf - (STDCHAR *) vbuf);
+ return PerlIOBase_read(f,vbuf,count);
}
return 0;
}
return code;
}
-void
-PerlIOBuf_setlinebuf(PerlIO *f)
-{
- if (f)
- {
- PerlIOBase(f)->flags &= ~PERLIO_F_LINEBUF;
- }
-}
-
STDCHAR *
PerlIOBuf_get_ptr(PerlIO *f)
{
PerlIOBase_eof,
PerlIOBase_error,
PerlIOBase_clearerr,
- PerlIOBuf_setlinebuf,
+ PerlIOBase_setlinebuf,
PerlIOBuf_get_base,
PerlIOBuf_bufsiz,
PerlIOBuf_get_ptr,
PerlIOBase_eof,
PerlIOBase_error,
PerlIOBase_clearerr,
- PerlIOBuf_setlinebuf,
+ PerlIOBase_setlinebuf,
PerlIOBuf_get_base,
PerlIOBuf_bufsiz,
PerlIOBuf_get_ptr,
PerlIOBase_eof,
PerlIOBase_error,
PerlIOBase_clearerr,
- PerlIOBuf_setlinebuf,
+ PerlIOBase_setlinebuf,
PerlIOBuf_get_base,
PerlIOBuf_bufsiz,
PerlIOBuf_get_ptr,
PerlIOBase_eof,
PerlIOBase_error,
PerlIOBase_clearerr,
- PerlIOBuf_setlinebuf,
+ PerlIOBase_setlinebuf,
PerlIOMmap_get_base,
PerlIOBuf_bufsiz,
PerlIOBuf_get_ptr,
projects / p5sagit/p5-mst-13.2.git / blobdiff